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Cornerstone Planning’s Costco COST Stock Holding History

Cornerstone Planning’s Portfolio COST Stock Details COST Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$3.35M Buy
3,576
+32
+0.9% +$31.9K 0.77% 44
2026
Q1 		$3.53M Buy
3,544
+61
+2% +$59.4K 0.8% 38
2025
Q4 		$3M Buy
+3,483
New +$3.16M 0.7% 55
2024
Q4 		$2.11M Buy
+2,300
New +$2.13M 0.81% 35

Other funds holding COST

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return
Norges Bank
Norges Bank Oslo, Norway $1T AUM
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

Cornerstone Planning's COST Position: Q2 2026 in Review

Cornerstone Planning increased its Costco (COST) stake by 0.9% in Q2 2026, buying an estimated $31.9K and bringing the position to 3,576 shares worth $3.35M. The position accounts for 0.77% of the portfolio, ranked #44.

Cornerstone Planning first reported a position in COST in Q4 2024 and has held it in 4 quarters since. The position peaked at $3.53M in Q1 2026. 4,211 funds tracked by Wall St. Rank hold COST as of Q2 2026.

  • Cornerstone Planning held 3,576 shares of Costco worth $3.35M as of Q2 2026.
  • Cornerstone Planning bought 32 Costco shares in Q2 2026, an estimated $31.9K.
  • Costco made up 0.77% of Cornerstone Planning's portfolio in Q2 2026, its #44 holding.
  • Cornerstone Planning first reported a position in Costco in Q4 2024 and has held it in 4 quarters since.
  • Cornerstone Planning's Costco position peaked at $3.53M in Q1 2026.
  • 4,211 funds tracked by Wall St. Rank held Costco as of Q2 2026.

Based on Cornerstone Planning's 13F filing for Q2 2026, filed 30 Jul 2026.